Healthy Climate Alliance and 300 ppm CO2 by 2050 (300×2050) The Healthy Climate Alliance asks, why aren’t we seeking to restore our climate to its original healthy state? The answer for 30 years has been that limiting emissions was enough. We could decarbonize our infrastructure,…

James Hansen, 32 year director of the U.S. national climate modeling agency, the NASA Goddard Institute for Space Studies (1981-2013, now retired), has had a new fundamental piece of climate work published. His team looks at the negative emissions required–in addition to various scenarios for…

New Climate Culture Our climate culture of the last two or three decades, very bluntly, not working out . Yes, carbon emissions are decreasing, or at least they are not increasing as fast a they were or as fast as projected. Possibly, they are…

Observations on Declining U.S. Emissions: It’s a widely held belief that the U.S. has been reducing emissions since the peak 2005-2007 before the recession. This is just barely valid today, but several years back it was not. The last time we reported on this, U.S….

The greatest climate dude of all time has done it again. James Hansen, 32 year director of the U.S. national climate modeling agency, the NASA Goddard institute for Space Studies, published a new fundamental piece of climate work last month. He looks at the additional…

One of the biggest myths about climate change is that emissions reductions cool Earth. This is nowhere close to reality. Even the Paris Commitments of 80 percent emissions reductions by 2050 allow warming to triple by 2050 and quintuple by 2100. We (the royal we)…

The IPCC changed their fundamental philosophy on how they evaluate scenarios of our future climate in their 2013 reporting, but they have yet to acknowledge the most common and meaningful way our climate usually changes, implying negative consequences for traditional climate reform strategies. Popular science…

It’s a widely held misconception that implementation of Paris Climate commitments would tame the climate beast. This has no more been the case in the past than it is today. Our culture of climate policy has always relied on overshoot, or additional increase in temperature…

President Trump it seems, has given us permission to backslide with our thinking about climate change. Until we have rule or law that tells us we must do something about climate pollution, “those that would rather it not be real” have won. This allows the…

We have delayed too long and now must urgently reduce the load of warming gases already emitted to our sky. We have been warned this would happen for decades, we just didn’t think it would happen so soon. This is exceedingly bad news, though the…

Coal definitely creates less net warming in the short-term because of aerosols. Aerosols pollution emitted from coal is basically smog. The sulfates in smog rom burning fossil fuels are global cooling pollutants. Coal has far more sulfate pollution than oil and oil has far more…

First published on Truthout, December 26, 2014. As we move into 2015, the latest climate science continues to diverge from policy. New science tells us that, because of short-lived climate pollutants, current policies dealing with carbon dioxide pollution alone will likely produce more warming than…

First Published on Truthout, August 27, 2014 (link) The fundamental climate change policy question today is not how much we should reduce carbon dioxide emissions by when, but what will currently proposed carbon dioxide emissions reductions do to our climate in the near-term? In addition,…

When will we completely leave our old climate? When will our new climate be 100 percent different than our old? When will the normal temperature in the our new climate be warmer than anything in our old climate? It’s called Climate Departure and it is…

The International Energy Agency (IEA) has returned a valuable yet frightening assessment of our current and future energy use and climate change. We have just five years to bring our energy sources into line with climate change mitigation scenarios or we default on our planet….

I do not make this stuff up. These are the scientists words, not mine. The title of this review comes directly from the article titled "Beyond Dangerous Climate Change: Emission Scenarios for a New World". It was published in January in the most prestigious academic…

Chris Field, Coordinating Chair of the Climate Impacts Working Group for the IPCC says: "We now have data showing that from 2000 to 2007, greenhouse gas emissions increased far more rapidly than we expected… In the fourth assessment, we looked at a very conservative range…